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231224s2013 xx |||||o 00| ||eng c |
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7 |
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|a 10.1021/la304377z
|2 doi
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|a pubmed24n0749.xml
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Cao, Junyu
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Photoelectrochemical properties of nanomultiple CaFe2O4/ZnFe2O4 pn junction photoelectrodes
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|c 2013
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|a Text
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 16.08.2013
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|a Date Revised 06.03.2013
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Nanomultiple CaFe2O4/ZnFe2O4pn junctions are prepared by a pulsed laser deposition method to explore their photoelectrochemical properties as the photoelectrodes. It is demonstrated that the multiple-pn-junction structure is favorable to enhancing the photocurrent density and the onset potential of the photoelectrode. Furthermore, the 20-junction photoelectrode-based PEC cell yields a high open circuit photovoltage of up to 0.97 V, which is much higher than that for a single pn junction photoelectrode PEC cell that yields an open circuit photovoltage of 0.13 V. A multiple-junction band structure model is assumed to describe the behavior of the CaFe2O4/ZnFe2O4 multiple-junction photoelectrodes. It is suggested that the open circuit photovoltage is dominated by the number of pn junctions in a multiple-junction photoelectrode and the carrier transfer inside the photoelectrode is improved by narrowing the single-layer thickness. These findings provide a new approach to designing the multiple-junction structure to improve the PEC properties of the photoelectrodes
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| 650 |
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|a Journal Article
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| 700 |
1 |
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|a Xing, Juanjuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Yuanjian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tong, Hua
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Bi, Yingpu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kako, Tetsuya
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Takeguchi, Masaki
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ye, Jinhua
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1999
|g 29(2013), 9 vom: 05. März, Seite 3116-24
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
1 |
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|g volume:29
|g year:2013
|g number:9
|g day:05
|g month:03
|g pages:3116-24
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| 856 |
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|u http://dx.doi.org/10.1021/la304377z
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